func (t *DirTest) CloneToChildFile_DestinationExists() {
const srcName = "blah/baz"
dstName := path.Join(dirInodeName, "qux")
var o *gcs.Object
var err error
// Create the source.
src, err := gcsutil.CreateObject(t.ctx, t.bucket, srcName, []byte("taco"))
AssertEq(nil, err)
// And a destination object that will be overwritten.
_, err = gcsutil.CreateObject(t.ctx, t.bucket, dstName, []byte(""))
AssertEq(nil, err)
// Call the inode.
o, err = t.in.CloneToChildFile(t.ctx, path.Base(dstName), src)
AssertEq(nil, err)
AssertNe(nil, o)
ExpectEq(dstName, o.Name)
ExpectFalse(inode.IsSymlink(o))
ExpectEq(len("taco"), o.Size)
// Check resulting contents.
contents, err := gcsutil.ReadObject(t.ctx, t.bucket, dstName)
AssertEq(nil, err)
ExpectEq("taco", string(contents))
}
func (t *DirTest) CreateChildDir_DoesntExist() {
const name = "qux"
objName := path.Join(dirInodeName, name) + "/"
var o *gcs.Object
var err error
// Call the inode.
o, err = t.in.CreateChildDir(t.ctx, name)
AssertEq(nil, err)
AssertNe(nil, o)
ExpectEq(objName, o.Name)
ExpectFalse(inode.IsSymlink(o))
}
func (t *DirTest) CreateChildFile_DoesntExist() {
const name = "qux"
objName := path.Join(dirInodeName, name)
var o *gcs.Object
var err error
// Call the inode.
o, err = t.in.CreateChildFile(t.ctx, name)
AssertEq(nil, err)
AssertNe(nil, o)
ExpectEq(objName, o.Name)
ExpectFalse(inode.IsSymlink(o))
ExpectEq(1, len(o.Metadata))
ExpectEq(
t.clock.Now().UTC().Format(time.RFC3339Nano),
o.Metadata["gcsfuse_mtime"])
}
// Implementation detail of lookUpOrCreateInodeIfNotStale; do not use outside
// of that function.
//
// LOCKS_REQUIRED(fs.mu)
func (fs *fileSystem) mintInode(name string, o *gcs.Object) (in inode.Inode) {
// Choose an ID.
id := fs.nextInodeID
fs.nextInodeID++
// Create the inode.
switch {
// Explicit directories
case o != nil && inode.IsDirName(o.Name):
in = inode.NewExplicitDirInode(
id,
o,
fuseops.InodeAttributes{
Uid: fs.uid,
Gid: fs.gid,
Mode: fs.dirMode,
},
fs.implicitDirs,
fs.dirTypeCacheTTL,
fs.bucket,
fs.mtimeClock,
fs.cacheClock)
// Implicit directories
case inode.IsDirName(name):
in = inode.NewDirInode(
id,
name,
fuseops.InodeAttributes{
Uid: fs.uid,
Gid: fs.gid,
Mode: fs.dirMode,
},
fs.implicitDirs,
fs.dirTypeCacheTTL,
fs.bucket,
fs.mtimeClock,
fs.cacheClock)
case inode.IsSymlink(o):
in = inode.NewSymlinkInode(
id,
o,
fuseops.InodeAttributes{
Uid: fs.uid,
Gid: fs.gid,
Mode: fs.fileMode | os.ModeSymlink,
})
default:
in = inode.NewFileInode(
id,
o,
fuseops.InodeAttributes{
Uid: fs.uid,
Gid: fs.gid,
Mode: fs.fileMode,
},
fs.bucket,
fs.syncer,
fs.tempDir,
fs.mtimeClock)
}
// Place it in our map of IDs to inodes.
fs.inodes[in.ID()] = in
return
}